Year 8 - Angles in Triangles

Find the missing angle!

• 91

• 81

• 89

• 99

Tags

CCSS.8.G.A.5

Find the missing angle!

• 37

• 46

• 47

• 57

Tags

CCSS.8.G.A.5

Find the missing angles!

• 90, 45

• 90, 35

• 100, 100

• 45, 45

Tags

CCSS.8.G.A.5

Find the missing angle!

• 45

• 55

• 65

• 75

Tags

CCSS.8.G.A.5

Find the missing angle!

• 33

• 44

• 55

• 66

Tags

CCSS.8.G.A.5

 $In\ \Delta PQR\ \angle P\ =\ 70\degree,\ \angle Q\ =\ 65\degree\$ 

 $then\ find\ \angle R.$   

• 35
  

• 40

• 50

• 45

Tags

CCSS.8.G.A.5

The measures of angles of a triangle are  $\ x\degree\ ,\ \left(x\ -20\right)\degree,\ \left(x-40\right)\degree.\$  

Then find the value of x.

• 80

• 60

• 75

• 40

Tags

CCSS.8.G.A.5

A triangle has side lengths of 19 centimetres, 19 centimetres, and 20 centimetres. Is this triangle equilateral?

• equilateral triangle
• isosceles triangle  
• scalene triangle
• none of the above

Tags

CCSS.4.G.A.2

Find the measure of the indicated angle. 

• 95
• 85
• 35
• 45

Tags

CCSS.8.G.A.5

Find the measure of the indicated angle. 

• 26
• 36
• 85
• 144

Tags

CCSS.8.G.A.5